Out of 23 wards in Kirklees, one had a median age in the twenties, 10 in the thirties, and 12 in the forties.

Victoria Street, Holmfirth, which falls within the Holme Valley South ward. The ward had the oldest age profile in Kirklees.

On average, the oldest people in Kirklees live in Holme Valley South, which has a median age of 46.5 years old. The area includes Holmfirth and the upper Holme Valley.

In Calderdale, the ward with the youngest average age was Park (to the west of Halifax town centre), with a median age of 29.7, while the oldest was Calder (which includes Hebden Bridge), with an average of 47.4 years old.

Across England and Wales, the ward with the youngest average age was Bathwick in Bath and North East Somerset, where the median age is just 20.7 years old.

The presence of a university might be the best indicator that the local average age will be younger — there are three wards with University in the name in the 30 youngest wards.

The ward with the oldest average age was South Downham in Kings Lynn and West Norfolk, where the average resident is 69.4 years old.